diff options
Diffstat (limited to 'mysql-test/t/func_group.test')
| -rw-r--r-- | mysql-test/t/func_group.test | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/mysql-test/t/func_group.test b/mysql-test/t/func_group.test index 3939d53cb31..927c4b084da 100644 --- a/mysql-test/t/func_group.test +++ b/mysql-test/t/func_group.test @@ -1194,4 +1194,37 @@ SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3; DROP TABLE t1,t2,t3; --echo # +--echo # Bug #884175: MIN/MAX for short varchar = long const +--echo # + +CREATE TABLE t1 (f1 varchar(1), f2 varchar(1), KEY (f2)); +INSERT INTO t1 VALUES ('b', 'b'), ('a','a'); + +EXPLAIN +SELECT MAX(f1) FROM t1 WHERE f1 = 'abc'; +SELECT MAX(f1) FROM t1 WHERE f1 = 'abc'; + +EXPLAIN +SELECT MAX(f2) FROM t1 WHERE f2 = 'abc'; +SELECT MAX(f2) FROM t1 WHERE f2 = 'abc'; + +EXPLAIN +SELECT MIN(f1) FROM t1 WHERE f1 >= 'abc'; +SELECT MIN(f1) FROM t1 WHERE f1 >= 'abc'; + +EXPLAIN +SELECT MIN(f2) FROM t1 WHERE f2 >= 'abc'; +SELECT MIN(f2) FROM t1 WHERE f2 >= 'abc'; + +EXPLAIN +SELECT MIN(f1) FROM t1 WHERE f1 BETWEEN 'abc' AND 'b' ; +SELECT MIN(f1) FROM t1 WHERE f1 BETWEEN 'abc' AND 'b' ; + +EXPLAIN +SELECT MIN(f2) FROM t1 WHERE f2 BETWEEN 'abc' AND 'b' ; +SELECT MIN(f2) FROM t1 WHERE f2 BETWEEN 'abc' AND 'b' ; + +DROP TABLE t1; + + --echo End of 5.2 tests |